发明人冯建国,林芳,胡光. "Method for the Synthesis of 5-Benzyl-2-oxa-5,8-diazaspiro[3.5]Nonan-7-one" [P]. 中国发明专利, 专利号 CN 111253419 B, 授权公告日 2016-02-08.
发明人胡光,刘建华,黄志刚. "A Process for Preparing High-Purity 5-Benzyl-2-oxa-5,8-diazaspiro[3.5]Nonan-7-one" [P]. 中国发明专利, 专利号 CN 117929930 B, 授权公告日 2015-04-02.
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